Difference between revisions of "M7-Quantitative Decision Methods-S6 - Regression"

From knowledgebase
Jump to navigation Jump to search
(Created page with "A linear regression line in a scatter dataset can be calculated as follows: <math>y = ax + b</math> <math>\huge b = \frac {n \sum xy - \sum x \sum y }{n \sum x^2 - (\sum x)^2...")
 
 
(One intermediate revision by the same user not shown)
Line 2: Line 2:
  
 
<math>y = ax + b</math>
 
<math>y = ax + b</math>
−
<math>\huge b = \frac {n \sum xy - \sum x \sum y }{n \sum x^2 - (\sum x)^2}</math>
+
<math>b = \frac {n \sum xy - \sum x \sum y }{n \sum x^2 - (\sum x)^2}</math>
  
 
This is based on regression of the vertical distances of the points in the dataset. If you would draw the line based on the horizontal distances it would be:
 
This is based on regression of the vertical distances of the points in the dataset. If you would draw the line based on the horizontal distances it would be:
  
−
<math>\huge b = \frac {n \sum xy - \sum x \sum y }{n \sum y^2 - (\sum y)^2}</math>
+
<math>b = \frac {n \sum xy - \sum x \sum y }{n \sum y^2 - (\sum y)^2}</math>
 
[[Category:mbi]]
 
[[Category:mbi]]

Latest revision as of 20:00, 27 August 2020

A linear regression line in a scatter dataset can be calculated as follows:

This is based on regression of the vertical distances of the points in the dataset. If you would draw the line based on the horizontal distances it would be: